rubymail.ch - dns.ninja
rubymail.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.221.143.1🇮🇸 ThorDC-AS82.221.143.0/24 Advania / Thor Data Center | ||||||
| PTR | icedns.is | ||||||
| NS | dns1.icedns.is ⭐ | ||||||
| A | 82.221.143.41🇮🇸 ThorDC-AS82.221.143.0/24 Advania / Thor Data Center | ||||||
| PTR | dns1.icedns.is | ||||||
| NS | dns2.icedns.is | ||||||
| A | 82.221.139.80🇮🇸 ThorDC-AS82.221.139.0/24 Advania / Thor Data Center | ||||||
| MX | mail.tutanota.de ⭐ | ||||||
| A | 185.205.69.211🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w11.tutanota.de | ||||||
| A | 185.205.69.213🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w13.tutanota.de | ||||||
| A | 185.205.69.214🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w14.tutanota.de | ||||||
| MX | rubymail.ch(999) | ||||||
| A | 82.221.143.1🇮🇸 ThorDC-AS82.221.143.0/24 Advania / Thor Data Center | ||||||
| PTR | icedns.is | ||||||
| TXT | t-verify=d6af679385c95208fab9e2a303e73765 | ||||||
| TXT | v=spf1 include:spf.tutanota.de -all | ||||||
| SOA | dns1.icedns.isroot@dns.orangewebsite.com 2025-02-01 #1 | ||||||
ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.ch ⭐ | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
| SOA | a.nic.chdns-operation@switch.ch 2026-10-26 #3 | ||||||
MX for
rubymail.ch |
Subdomains
ftp.rubymail.ch |
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●MXmail.tutanota.de2026-10-22 → 2026-10-26 · 2 obs
● 2026-10-26 01:01:52
●MXrubymail.ch2026-10-22 → 2026-10-26 · 2 obs
● 2026-10-26 01:01:52
●A82.221.143.12026-10-22 → 2026-10-26 · 2 obs
● 2026-10-26 01:01:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | e.nic.ch, d.nic.ch, f.nic.ch, b.nic.ch... | 10 records |
| rubymail.ch | dns1.icedns.is, dns2.icedns.is | - |
✅ Authoritative Response
Server:82.221.139.80
NS records: dns1.icedns.is, dns2.icedns.is
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rubymail.ch (unsigned zone)
⏱️ Timing
Total: 3196ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.221.143.1 |
| NS | 2 | dns1.icedns.is, dns2.icedns.is |
| MX | 2 | rubymail.ch (pri: 999), mail.tutanota.de (pri: 0) |
| TXT | 2 | v=spf1 include:spf.tutanota.de -all, t-verify=d6af679385c95208fab9e2a303e7376 |
| SOA | 1 | dns1.icedns.is root.dns.orangewebsite.co |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (a.nic.ch, b.nic.ch, d.nic.ch...)
Analysis
Hierarchy
rubymail.ch is a parent domain of ftp.rubymail.ch.
Mail Server Role
rubymail.ch acts as its own mail server.
mail.tutanota.de is a mail server commonly deployed alongside rubymail.ch.
IP Addresses
rubymail.ch points to a single IP number: 82.221.143.1.
Additional host names — aiwellplan.com, viceroyprivatewealtth.com, jogo-verificado.com and two others — share IP numbers with rubymail.ch.
Name Servers
Two name servers handle the delegation for rubymail.ch: dns1.icedns.is and dns2.icedns.is.
rubymail.ch shares its name server setup with other domains, including visionsafegroup.com, boomerangcasino.cz, ultimatewatchstore.is and two others.
dns1.icedns.is and dns2.icedns.is each resolve to one IP number: dns1.icedns.is points to 82.221.143.41 and dns2.icedns.is points to 82.221.139.80.
Mail Servers
rubymail.ch relies on two mail servers for delivery — rubymail.ch and mail.tutanota.de.
rubymail.ch shares mail servers — at least in part — with other domains, including masakos.com, rev4.ca, remodel.org.uk and two others.
Host names with three IP numbers:
The hostname mail.tutanota.de points to 185.205.69.211, 185.205.69.213 and 185.205.69.214.
Host names pointing to a single IP address:
The hostname rubymail.ch resolves to 82.221.143.1.